As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA FLIGHT NR 2292: CABIN AUTO PRESSURIZATION CONTROL INOP. FAULT LIGHT ILLUMINATED IN AUTO MODE. FAULT LIGHT EXTINGUISHED IN MANUAL MODE PER A/C EMERGENCY CHECKLIST. ABLE TO CONTROL PRESSURIZATION MANUALLY. MAINTENANCE REMOVED AND REPLACED CABIN PRESSURIZATION CONTROLLER IAW AMM Q400 TASK 21-31-06-000-801 AND 21-31-06-400-801. OPS CHECK GOOD. NO FURTHER DEFECTS NOTED. PLACARD REMOVED FROM LOG BOOK AND CABIN PRESSURE CONTROL PANEL. AIRCRAFT RETURNED TO SERVICE.